합격각 - 인적성 NCS GSAT 적성검사 모의고사

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About this app

Have you ever run out of practice problems for employment aptitude tests after reviewing past questions a few times?

Hakgapgak is an aptitude test practice app that helps you hone your practical skills every day with an infinite number of problems created anew every time you take a test.

■ Infinite Problems Newly Generated Daily
From Applied Math, Data Interpretation, Reasoning, Verbal, and Spatial Perception, we do not repeat the same problems. Numbers and conditions are generated anew every time you solve a problem, allowing you to train indefinitely just like in a real exam.

■ Tailored to Company-Specific Tests
From major conglomerate aptitude tests such as Samsung GSAT, SK SKCT, LG, CJ CAT, Hyundai HMAT, POSCO PAT, Doosan DCAT, KT, and Lotte L-TAB, to public enterprise NCS tests like KORAIL, Incheon International Airport Corporation, KEPCO, National Health Insurance Service, LH, and Korea Water Resources Corporation.

When you select a company, the app changes to match the test's subject area composition, and it also displays perceived difficulty and characteristics based on test-taker reviews.

■ Exact Proportions of Questions
Mock tests and the "Mix and Solve with Actual Proportions" feature reflect the publicly available structure of the actual exam. (e.g., Samsung GSAT = 20 Quantitative Reasoning + 30 Deductive Reasoning, Korea Water Resources Corporation NCS = 10 questions in each of the 4 sections, etc.)

■ Timer Practice Mode + Learning Statistics

Get used to time pressure with time-limited practice mock exams, and track your daily progress with consecutive study days, accuracy rates, and the number of questions solved.

■ Free, Unlimited

All core practice is free. If ads are inconvenient, you can use the app cleanly with a one-time payment for 'Ad Removal'.


※ All questions are original problems created by analyzing the question types of actual exams and are not actual past exam questions from specific companies.

※ The company names are listed to indicate the exam types, and this app is not affiliated with or associated with any of the companies mentioned.
Infinite practice with new aptitude and NCS questions generated daily. Company-specific mock exams, error notes, and exam D-day notifications—all for free.
Updated on
Aug 24, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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What’s new

실전에서 나오는 형식 그대로, 문제 유형 3가지가 추가됐습니다.

• 자료해석 '조합판단'
보기 ㄱ·ㄴ·ㄷ을 모두 판정해야 답이 나오는 형식입니다. 하나만 헷갈려도 답이 갈리는, 실제 시험의 표준 유형입니다.

• 자료해석 '보고서 검토'
표 두 개와 보고서를 함께 읽고 자료와 맞지 않는 서술을 찾습니다. 자료를 오가며 검산하는 훈련이 됩니다.

• 언어 '강화·약화'
주장을 강하게 만드는 근거와 무너뜨리는 근거를 가려냅니다.

또한 삼성 GSAT 모의고사의 수리논리 20문항을 실제 시험 비율(자료해석 중심)로 맞췄습니다.

무한 연습, 기업별 모의고사, 오답노트는 지금처럼 모두 무료입니다.